Home / 25,931.86-35,776.26-16,984.36

Finding the Fourth Proportional to 25,931.86, 35,776.26 and 16,984.36

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Solution

The fourth proportional to 25,931.86, 35,776.26 and 16,984.36 is: 23,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.86 : 35,776.26 = 16,984.36 : x
  2. Step 2: Convert to fraction form
    25,931.86/35,776.26 = 16,984.36/x
  3. Step 3: Cross multiply
    25,931.86x = 35,776.26 × 16,984.36
  4. Step 4: Simplify right side
    25,931.86x = 607,636,879.29
  5. Step 5: Solve for x
    x = 607,636,879.29/25,931.86
  6. Step 6: Final answer
    x = 23,432.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.